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Princess Bay, Koh Similan in Thailand

Princess Bay, located in Thailand's Phang-nga Province, offers a delightful and accessible bay dive experience. The stunning beauty of the reef edge attracts divers of all levels, making it an excellent choice for beginners, advanced divers, and even snorkelers. The gently sloping reef extends to a maximum depth of approximately 20m, providing an ideal environment for exploration.

Diving in Princess Bay rewards visitors with captivating marine life sightings. Prepare to encounter an array of fascinating creatures such as turtles, blue-spotted stingrays, sand eels, snapper, and fusiliers. The vibrant display of both hard and soft corals further enhances the underwater landscape, creating a truly captivating and immersive diving experience.

With optimal visibility of 19m and a maximum depth of 18m, Princess Bay offers excellent conditions for divers to fully indulge in their underwater exploration. This prominent dive site also serves as a great starting point for those embarking on diving courses to enhance their skills.

Situated close to Barracuda Point, Princess Bay presents divers with the opportunity to explore multiple dive sites in the Phang-nga Province. Whether you are a beginner or an experienced diver, Princess Bay promises a memorable underwater adventure that will leave you in awe of Thailand's remarkable aquatic wonders.

Diving Conditions Score for Princess Bay, Koh Similan in Thailand

5.5
Average

Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Princess Bay, Koh Similan in Thailand

Depth

18m

Visibility

19m

Experience Level

beginner
advanced

Weather Conditions for Princess Bay, Koh Similan in Thailand

Wave Height

2.06m

Wind Speed

36.8 m/s

Water Temp

29.4°C

Visibility

8.02km

Cloud Cover

100%

Wave Period

6.65s

Air Temperature

29.5°C

Precipitation

0.2 mm

Detailed 7-Day Diving Forecast for Princess Bay
Alpha

Dive Score Chart for Princess Bay

Best time to dive: 6:00 with score 5.213333333333334/10. Water conditions: Waves 2.02m, Wind 31.2 m/s.Best night dive time: 5:00 with score 4.653333333333333/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Princess Bay: 06:00
Sunset at Princess Bay: 18:00

Optimal diving conditions at Princess Bay are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.

🌞
Best Overall
6:00

Score: 5.2/10
Waves: 2.02m (7s), Wind: 31.2 m/s

🌙
Best Night
5:00

Score: 4.7/10
Waves: 2.06m, Wind: 27.5 m/s

Seasonal Analysis for Princess Bay, Koh Similan in Thailand
Alpha

Historical patterns and best seasons for diving at Princess Bay, Koh Similan in Thailand

The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.

Monthly Dive Score Analysis - Seasonal Diving Conditions

Higher values indicate better diving conditions

Seasonal DiveScore Chart

This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.

Higher values indicate better diving conditions

Best Season for Princess Bay, Koh Similan in Thailand

Winter

Avg. Score: 10.0/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Princess Bay, Koh Similan in Thailand

January
Score: 10.0
February
Score: 10.0
March
Score: 10.0

Ideal Conditions for Princess Bay, Koh Similan in Thailand

Water Temp

Thermometer Emoji

27.0°C / 80.6°F

August

Visibility

Telescope Emoji

18.5m / 60.7ft

December

Wave Height

Wave Emoji

0.2m / 0.7ft

February

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Princess Bay, Koh Similan in Thailand

Princess Bay, Koh Similan in Thailand shows typical northern hemisphere patterns with May being the warmest month (28.1°C) and December the coldest (23.1°C). The calmest conditions typically occur in February with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in February with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). January is usually the driest month with 0.2mm of precipitation. For beginners, the best time to visit would be during February to April, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jul 1, 2026

Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.

The closest dive destination to Princess Bay is Koh Similan

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Koh Similan

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